1222885346 has 8 divisors (see below), whose sum is σ = 1835884764. Its totient is φ = 610923760.

The previous prime is 1222885343. The next prime is 1222885357. The reversal of 1222885346 is 6435882221.

It can be written as a sum of positive squares in 2 ways, for example, as 862303225 + 360582121 = 29365^2 + 18989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1222885343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256505 + ... + 261228.

Almost surely, 2^1222885346 is an apocalyptic number.

1222885346 is a deficient number, since it is larger than the sum of its proper divisors (612999418).

1222885346 is a wasteful number, since it uses less digits than its factorization.

1222885346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518916.

The product of its digits is 184320, while the sum is 41.

The square root of 1222885346 is about 34969.7776086723. Note that the first 3 decimals coincide. The cubic root of 1222885346 is about 1069.3714379738.

The spelling of 1222885346 in words is "one billion, two hundred twenty-two million, eight hundred eighty-five thousand, three hundred forty-six".